You people are really not getting it, do you?
It has very little to do with people feeling entitled, but even that philosophy is a line of thinking which should be equally respected as any other line of thinking.
The content is currently being kept artificially exclusive by the players. Go look at your trade-chats and tell me what you see when it comes to DS PuGs?
It's usually something along the line of "LFM DS ilvl 385 / 388 / 391+ required and [Destroyer's End] achievement too!". Which causes in turn there to be a much less % of players seeing the content than Blizzard wants.
There is:
A) The wall created by the community by blocking out people from seeing the content, with general too high PuG requirements.
B) The wall that raidguilds see when they are trying to progress through heroic-mode without demotivating their guild or seeing more of their raidingroster quit.
Both are statistics which are closely observed by Blizzard and why they artificially, ever since Vanilla, but more so since WotLK have been trying to gradually tweak and nerf the content so they can have the statistics where they want them to be.
"Because they pay for it and want it?" Has nothing to do with the community making an explicit demand for it, with the casuals groaning and moaning about it. Seriously look at these boards, it's not the casuals moaning and complaining, it never is. They don't complain and moan, they don't bother. They're just majorly vocal with their money and subscription cancelations instead if there is something in the game that they don't like or if the game no longer appeals to them.
And that is where you're all losing the argument. Not a billion complaint posts on a forum from a small part of the "raiders" are gonna be as loud and hurtful as just a part of the bigger casual population quietly unsubscribing.
And do you know what the painful irony behind all this is? The more people that stop subscribing, the more sensitive Blizzard will become to pleasing the bigger part of their playerbase, even if that bigger part of the playerbase does not make a vocal / moaning / complaining demand about something on the forums. Blizzard is not gonna keep content hard so 99% of their market has a potential on getting pissed off, bored, tired and quit playing just to keep the 1% happy. Please. Be realistic.
You know what only solution will be so Blizzard won't be nerfing normal or hardmode anymore? When all the guild start taking more different people to the raid-content so a higher % has cleared the content everytime they'd check the statistics. Never gonna happen, but it's the only thing you realistically can do in your positions.